Studies related to Golf Performance and Phosphatidylserine

The effect of phosphatidylserine on golf performance
Effect Increase
Trial Design Double blind
Trial Length 1-6 months
Number of Subjects 20
Sex Male
Age Range 18-29, 30-44, 45-64
Body Types Average
Notes for this study:
The reduction in perceived stress during golf testing trended, but failed, to reach statistical significance despite golf drive accuracy being increased in the group given 42 days worth of supplementation of 200mg phosphatidylserine.

Supplement was a bar form called IQ PLUS, with placebo given a similar looking protein bar without the phosphatidylserine content.
Funding issues for this study:
One author, not the lead researcher, was the creator of the protein bar